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LoRaWAN Control Terminal (US 915MHz, 4km Range, RS485)

$35.00
SKU: DFR1120-915
The 915MHz LoRaWAN Control Terminal is designed for industrial and agricultural IoT applications. It integrates data collection, logic processing, and device control into a single unit.
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Introduction

The LoRaWAN Control Terminal (915MHz) functions as a comprehensive Industrial IoT (IIoT) node designed to bridge the gap between physical field devices and remote cloud platforms. Operating on the 915MHz band, this wireless controller simplifies complex telemetry projects by integrating data acquisition, logic processing, and device actuation into a single, DIN-rail mountable unit. It is specifically engineered for scenarios such as smart agriculture, building automation, and industrial monitoring, where reliable long-range communication and autonomous offline operation are critical. By combining versatile interfaces with standard LoRaWAN connectivity, this Remote Terminal Unit (RTU) offers a streamlined, cost-effective alternative to complex PLC and radio setups, allowing for rapid deployment in environments requiring both sensing and control.


Stable Long-Range Communication

Built upon the standard LoRaWAN protocol, the wireless node offers exceptional compatibility with both private gateways and public network infrastructure. By utilizing the 915MHz frequency, the device achieves deep signal penetration and long-distance coverage. This connectivity ensures reliable data upload from remote locations—such as agricultural parks or sprawling industrial complexes—where traditional Wi-Fi or wired cabling is impractical.


Hybrid Interface for Acquisition and Control

Unlike standard sensors that only transmit data, this IoT controller is equipped with a versatile interface array to handle both "Read" and "Write" operations:

  • Collection: The unit features an RS485 interface for Modbus RTU sensors, an 0-10V analog input, and two optocoupler-isolated digital inputs. This allows for the seamless integration of diverse peripherals, from temperature transmitters and flow meters to pressure sensors, without requiring additional adapters.
  • Control: A built-in Relay Output (24VDC/220VAC 3A) enables the device to directly drive actuators. This functionality allows the system to switch pumps, valves, alarms, or lighting systems on or off based on received commands or local logic.

  • Edge Logic and Offline Autonomy

    A defining feature of this smart terminal is its ability to execute control rules locally. Through a visual configuration interface, logical conditions can be preset (e.g., "If moisture < 20%, turn on relay"). This capability allows for device linkage and automatic alarm triggering without constant cloud interaction. Crucially, the unit supports offline operation, meaning that if the LoRaWAN network connection is lost, the controller continues to execute its preset logic commands, ensuring the safety and stability of the local application is never compromised.


    DFRobot LoRaWAN Series

    DFRobot LoRaWAN Series Products

    DFRobot LoRaWAN product series is centered on "simplified development and efficient deployment", covering scenarios such as learning, development, testing, and deployment, and providing developers with comprehensive low-power wide-area network (LPWAN) solutions.

  • Gateway: Embedded local MQTT server (SIoT) eliminates the need for server setup; supports Node-RED graphical programming for rapid automation task construction.
  • Control Terminal: Multi-interface design (analog/digital input, RS485, relays) enables both data acquisition and device control; supports custom control rules and stable offline operation without network connectivity.
  • Development Board: Compatible with the Arduino ecosystem, providing pre-built libraries and sample code for a low-threshold getting started; integrated with a screen, buttons, and other peripherals for real-time debugging without external devices.
  • Node Module: Built-in LoRa/LoRaWAN protocol stack, supporting multi-platform graphical programming; features standard I2C/UART interfaces, compatible with mainstream controllers such as Micro:bit, Arduino, and ESP32
  • Video: Long-Range Private IoT with DFRobot LoRaWAN Gateway & Nodes: 4km Range, Local Server & Dashboard

    Applications

  • Smart Agriculture: Automated irrigation systems triggered by soil moisture data; greenhouse ventilation control.
  • Industrial Automation: Remote monitoring of factory machine status; reading Modbus data from energy meters.
  • Building Management: HVAC monitoring; automated lighting control based on ambient sensors.
  • Environmental Monitoring: Remote weather stations; water quality monitoring in aquaculture.
  • Specification

    Basic Parameters

  • Input Voltage: 12-24V DC
  • Operating temperature: -10~60℃
  • Product Dimensions: 89x53x24mm (excluding terminals and mounting parts)
  • Communication Interface

  • RS485 x1: Modbus RTU Protocol
  • AI x1: 0-10V Analog Input
  • DI x2: Optocoupler isolated input, 5-24V
  • Relay output (normally open) x1: Touchpoint switching parameters 24VDC 3A/220VAC 3A
  • Wireless Parameters

  • Operating frequency band: 902~928Mhz
  • Transmit Power: 22dBm
  • Receive Sensitivity: -137dBm/125kHz SF=12
  • Working Mode: OTAA/ABP Class A/C
  • Documents

    Shipping List

  • LoRaWAN Control Terminal (915MHz) x1
  • Rubber Antenna x1
  • Mounting Lugs x2
  • DIN Rail Clips x2
  • M4*6 Mounting Screws x4
  • Plug-in Terminal - 4P x2
  • Plug-in Terminal - 2P x2
  • LoRaWAN Control Terminal (US 915MHz, 4km Range, RS485)
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